package cn.wolfcode.web.interceptor;

import cn.wolfcode.domain.Employee;
import cn.wolfcode.util.UserContext;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //获取当前登录的用户
        //Object employee = request.getSession().getAttribute(UserContext.USER_IN_SESSION);
        Employee employee = UserContext.getCurrentUser();
        if (employee==null){//未登录
            response.sendRedirect("/login.html");//重定向到登录界面
            return false;//不放行
        }
        return true;
    }
}
